Use-after-free vulnerability in the my_login function in DBD::mysql before 4.033_01...

Vulnerability Description

Use-after-free vulnerability in the my_login function in DBD::mysql before 4.033_01 allows attackers to have unspecified impact by leveraging a call to mysql_errno after a failure of my_login.

References

• https://github.com/perl5-dbi/DBD-mysql/commit/cf0aa7751f6ef8445e9310a64b14dc81460ca156
• https://blog.fuzzing-project.org/50-Use-after-free-in-my_login-function-of-DBDmysql-Perl-module.html
• https://github.com/perl5-dbi/DBD-mysql/blob/4.033_01/Changes
• https://github.com/perl5-dbi/DBD-mysql/pull/45
• http://www.debian.org/security/2016/dsa-3635
• http://www.openwall.com/lists/oss-security/2016/07/27/1
• http://www.openwall.com/lists/oss-security/2016/07/25/13
• http://www.securityfocus.com/bid/92118
• https://security.gentoo.org/glsa/201701-51